200909983 九、發明說明： 【發明所屬之技術領域】 本發明侧於-種投影機及其蓋板，制是關於一種具有 式燈蓋的蓋板，以及具有該蓋板之投影機。 【先前技術】 冰把内部的Ϊ泡常常是投影機故障的主因。因此投影機 了燈蓋’以供使用者打開來更換燈泡。習知投影 Γ 半以螺絲鎖附於外殼上，或以卡勾配合螺絲鎖附之 叹计來固定於外殼上，詳細結構以圖式說明如下。 絮j 1Α為一投影機100 ’其具有一習知燈蓋102。習知燈 -窗口 機觸之外殼體的一頂蓋104上，用以遮蔽 南口邻106。窗口部106開設於頂蓋1〇4上以供一使用 換投影機100内部之燈泡(未圖示)之用。燈蓋搬 〇頂盍104分別具有螺孔應及109,以供鎖合之用。 頂蓋燈蓋搬底部具有一卡勾107，對應於 列如凸軌105。請同時參照圖1Α，當 移而被關閨時’卡勾107亦向左移動而頂住凸 =二=疗T入;孔108及，，、‘ 向右移動而脫離凸軌1〇5。 便卞勾107 【發明内容】 本發明之目的在於提供一種掀動式開關的投影機之蓋 200909983200909983 IX. Description of the Invention: The present invention relates to a projector and a cover thereof, relating to a cover having a lamp cover, and a projector having the cover. [Prior Art] The internal bubble of ice is often the main cause of projector failure. Therefore, the projector has a lamp cover ’ for the user to open to replace the lamp. The conventional projection Γ is attached to the outer casing with a screw lock, or is fixed to the outer casing with a hook and a screw attached to the outer casing. The detailed structure is illustrated as follows. The floc j 1 is a projector 100' having a conventional lamp cover 102. The conventional lamp-window is placed on a top cover 104 of the outer casing to shield the south entrance 106. The window portion 106 is opened on the top cover 1 to 4 for use in replacing the bulb (not shown) inside the projector 100. The lamp cover 〇 104 has a screw hole 109 and is provided for locking. The top cover lamp cover has a hook 107 at the bottom, corresponding to a column such as the convex rail 105. Referring to FIG. 1 at the same time, when the shift is turned off, the hook 107 is also moved to the left to withstand the convex=two=therapy T; the holes 108 and,, ‘moved to the right and the convex rail 1〇5.卞 卞 107 [Abstract] The object of the present invention is to provide a cover for a tilting switch projector 200909983
板’使投f儀转、轉。本發騎I 明所揭露的技術特徵中得到進一步的^的和優點可以從本發 為達上述之-或部份或全部 二實施態獅鄉機之紐包含—主目^本發明之 LL部;一樞紐結構連接主蓋體;以及一 ΐί部及一 連接樞鈕結構，副蓋髀茲山七力& #久田丨J盍體，具有一側邊 ，也覆蓋窗口部，蓋體並 =口⑵蓋i;二副蓋體藉 體位移，使卡勾選擇性地與卡合部接合。 本發明之—實施態樣係提供 -i：:r i：f# ： 卞口邛及一南口部，且窗口部設置於儿八有 -柩紐結構連接該主蓋體；以及詩ϋ兀件，位置； 知結構’副蓋體藉由樞紐結構係側邊連接樞 地覆蓋窗口部，副蓋體並且主性 構f可部及發光元件時，副蓋體藉由樞紐結 2係了千彳了且姉主讀位移，使卡勾選擇性地與卡合部接 ^較佳實施方式如下。樞紐結構包括一承座及一中空 接主蓋體及副蓋體，承座具有一樞轴，極軸係ΐ活 ΐ ί方便達成。承座係固定於窗口部之一側，並且中空扣環係 固疋於副蓋體之—側邊。主蓋體更提供—開孔，位於^一 二：有：：凸塊’用以穿入開孔，其中當副蓋體被 __ '' ρ直於主盍體時，該凸塊係移動至碰觸開孔之一第 ;ίί:=之十孔壁形成一止檔塊’凸向開孔之内，當 i當ΐίί離至與主盍體約略垂直時，凸塊之活動係受止擒塊 ”第-孔壁限制。卡勾凸出於副蓋體表面，並且具有—L型彎 200909983 2側ίίί具ΐ一槽狀結構’凹陷於主蓋體表面，槽狀結構 勇凸執以緩衝卡勾與卡合部結合時之撞擊力。 中空扣環具有一軌道結構，執道結構包括一第一凸點及一 ^凸點’樞軸適於執道結構中位移，並藉由第—凸點定位於 :ί 置’或藉由第二凸贼位於—第二位置。執道結構且 有兩相對之内嫩®，該軸繼面具有兩相對之第一凸 =對之，二凸點’每—該第—凸點係分別突起於不同的内側 二笛且Γ"該第二凸點亦分別突起於不同的内側壁面。兩相 對之第「凸點彼此之間距係小於姉之直徑，並且兩相對之 -凸點彼此之間距亦小於樞軸之直a。框抽表 ，副蓋體更具有一定位件，凸出於其一側邊，主 疋位孔，以供定位件以平行主蓋·面之方向插人。主蓋 ^括-裳飾條以對應副蓋體之側邊，其中裝飾條兩端各自具 有二凸塊’且副蓋體之側邊兩端各自具有一缺口，當定位件插 入定位孔時，凸塊同時插入缺口中。主蓋體之一邊緣具有一凹 部，凹部係與承座分別設於窗口部之相對兩側。 【實施方式】 人有關本發明之前述及其他技術内容、特點與功效，在以下 配合參考圖式之一較佳實施例的詳細說明中，將可清楚的呈 ΐ。、以y實施例中所提到的方向用語，例如：上、下、左、右、 月ό或後等，僅是參考附加圖式的方向。因此吏 扭 是用來說賴_來關本個。 、圖2A+顯示一投影機2〇〇，其具有本發明之一較佳實施例 所^之一蓋板21〇。投影機2〇〇包括一殼體2〇2，其内部容置 一投影機構(未圖示）。投影機構包括一發光元件，例如一燈泡 222或發光二極體，以及一光機(未圖示)等。蓋板210組裝於 殼體202上，以覆蓋投影機構。如圖所示’蓋板21〇包含一主 200909983 蓋體212及一副蓋體214(或稱為燈蓋），並藉由主蓋體2i2、彳 裝於殼體202上。 主蓋體212與副蓋體214藉由一樞紐結構230連接在一 起。如圖2A所示，樞紐結構230包含了 一設於主蓋體212的 承座232及一5又於副蓋體214的中空扣環234，中空扣環234 係可活動地扣合於承座232，使得中空扣環234能夠相對於承 座232旋轉，同時承座232的一部分能夠在中空扣環234内相 對於中空扣環234位移。因此，副蓋體214可以如箭號b2 al所示被掀離或閉合於主蓋體212上。 一 主蓋體212具有一窗口部216及—^合部218。當主蓋體 212與殼體202組裝在一起時，窗口部216即位於燈泡222上 方以曝露出燈泡222。當副蓋體214閉合於主蓋體212上時， I蓋住窗口部216及其下方之燈泡222。為了防止閉合時輕 被掀開’副蓋體214具有一卡勾219設置於對應卡合部218之 丄以便與卡合部218結合。當燈泡222故障或需調整時， 使用者可輕易打開副蓋體214，而不需用到螺絲起子等工具， 藉此達到便於修復投影機2〇〇的目的，且為達此目的，窗口部 216之大小應足以供使用者取出燈泡222為宜。 圖2A及圖2B顯示副蓋體214被掀開或蓋回的動作示咅。 虽使用者欲開啟副蓋體214時，先將副蓋體214沿圖2b之^丄 方向平行且相對主蓋體212位移，而水平地拉開，再沿圖 ϋ方向掀開。相反地’當使用者欲蓋上副蓋體214°時 圖2Α之al方向蓋回，再沿圖2Bia2方向 2^8體接^位移，而水平地閉合’使卡勾219選擇性地與卡“ 中3二f 圖3B’承座232具有—樞車由挪，設於1 二H 234的中空部位形成一軌道結構238。當中，空 “ 234扣&於承座232，樞軸MS即穿入執道結構现中， 200909983 挪位移，而中空扣環234可以樞輛攻為旋轉中心進 中空扣環234之執道結構238具有兩相對且約略 =辛面严a及238b、—對第—凸點咖及―= =8b母Γ係分別麵於不同的内側壁 施或238b 2=几亦分別突起於不同的内側壁面 ㈣H轴物於執道結構238 t，將藉由該 2第-凸點237a定位於A位置，或藉由 或與== 並上 上，而二i口产者盘體212被固定在殼體202 工衣 通者副蓋體214的運動而移動或轉動。 在掀開或蓋回副蓋體214的過程中，承座232 明如圖3A及3B。卡勾219與卡‘別 Ξΐ ί則凊參照圖3C。請同時對照圖2A及圖3A， :=體214朗啟狀態時，中空扣環234略呈直立狀離。使 ΞΪΓ所til蓋體214時，中空扣環234同^倒如 被開啟時’則枢轴236與中空扣環23:的相 =參照® 3C」係為卡合部218與卡勾別的剖面圖。卡 。出於副盘體214表面，並且具有一 l型彎折部 a。卡&部218具有一槽狀結構218a，凹陷於主蓋體212 200909983 表面，槽狀結構218a係指圖中斜線部分所構成者。槽狀結構 218a之一侧壁240具有一裂口 242，位於側壁240與槽狀結構 218a底部之銜接處。當副蓋體214被轉動至覆 ” 寺，卡勾219即嵌入卡合部218之槽狀^施 中。接著當副蓋體214沿a2方向被推動至與主蓋體212密合 3丄219的L型彎折部219a可被推入·裂口 242中以完成 請參照圖4A，承座232具有左右兩支架232a及232b， ，支架232a及232b内側各自凸出一樞軸236a或236b，兩樞 軸236a及236b之間保留一間隙(未圖示)以供中空扣環234扣 入:請同時參關3B，中空扣環234之一端具有一凹溝现。 再參照圖4A ’當中空扣環234纟上往下扣入兩植軸加及 =之間時’凹溝(未圖示)位於中空扣環234底部兩側分別面 對兩樞軸236a及236b。在扣合過程中，樞軸236a及236b 過凹溝239而更方便地被導入中空扣環234 t。樞轴2施或 ^，表面具有複數個凸肋2祝及2说。當姉2如或2施 ^於中空扣環234時，該些凸肋2祝及2视輕微地抵住中 防止中姊環234左右晃動，具有增加結構 又的放果。另外，如圖4A所示，槽狀結構218a底部具有 一凸執215，以緩衝該卡勾與該卡合部結合時之撞擊力。蓋板 ϋ具有一防過翻結構，其上方視圖及下方視圖請參照圖犯 及圖4C。一開孔406設於主蓋體212上，且位於承座232之 :側’以供一凸塊4〇2穿入。凸塊4〇2設於副蓋體上 呈L型彎折。當副蓋體214被掀離至與主蓋體212略呈垂直 塊402係碰觸開孔406之孔壁術，此時若再 4施以一沿圖2A^b2方向的力時，孔壁術 ^凸塊402施以-反作用力，以防止副蓋體214翻開角度過 圖4B及圖4C同時顯示蓋板21〇具有一止擋結構，以防 200909983 副蓋體214被掀開後又蓋回。開孔406之兩側孔壁4〇幼及4〇^ 分別具有-止稽塊404，凸向開孔4〇6之内。承上所述 體214在被掀開後’若有蓋回的傾向，會導致凸塊術往正 亡4〇4之方向運動，此時止擔塊4〇4可適時播住凸塊4〇2之‘ 止副蓋體2M蓋回。藉此，凸塊術之活動空間被限制 於止擔塊404與開孔406之孔壁406a之間。 請參照圖5A及圖5B，副蓋體214具有一定位件5〇2凸 於其側邊—214a ’主蓋體212具有一定位孔5()4，以供定位件 主蓋體212表面之方向插人。如此―來，可防止副 盍體214盍上後，在上下及左右方向產生振動。 ，參照® 5B及5C，-裝飾條506設於主蓋體212上以修 1 主if212與副蓋體214閉合之接縫處。特別地，裝飾條 506具有-凸塊5〇8 ’且副蓋體214之側邊21如具有一缺口 51〇，當定位件502插入定位孔504時，凸塊，㈤時插入缺 口 510中，以防止裝飾條5〇6翹起。 請參照圖6，顯示副蓋體214蓋上後’蓋板21〇之部分結 、,#下視圖。凊同時參考圖2A，主蓋體212之一邊緣212a可 |曰二凹部602。凹部602與承座232分別設於窗口部216之 ^目對兩側。當副蓋體214蓋上後，主蓋體212之凹部602可提 ί:-使用者之手指伸入，以握住副蓋體214邊緣，施力將其拉 開。 j少，、、、圖7 ’顯示一倒吊式投影機(c_m〇unt)2〇〇a吊掛於 一板^^上。投影機2〇〇a具有一固定件704，設於殼體 ^ ^蓋體212之表面，以供峡投影機200a至天花板 々心ί構更能突顯出蓋板210便於開關及便於維修投影機 之優點。 t々所述者’僅為本發明之較佳實關而已，當不能以 此限疋本㈣實狀範圍’即大驗本發明帽專纖圍及發 200909983 變化與修飾，皆仍屬本發明專利 達成本發明所揭露之全^ 2實_或中請專利範圍不須 用來辅助專利文件 【圖式簡單說明】 圖1Α係為具有習知燈蓋設計之投影機的示意圖； 燈蓋L之^及=2勾部分的示意圖，顯示設於習知 板二其蓋 意圖，顯示樞實施例之極轴結構的示 圖，==時=:=:卡一意 示蓋二=據構的部分示意圖’顯 播結依縣_—實麵之麵之防過翻結構及止 擔結本㈣—實制之蓋板之_翻結構及止 示蓋縣翻—實關之蓋減部分料圖，顯 意圖w 發㈣關之級的部分示 圖6係為依據本發明-實施例之蓋板的部分示意圖，顯示 12 200909983 田】蓋體蓋上後’蓋板之部分結構的下視圖；以及 的示，^係為依據本發明一實施例之倒吊式投影機(C_m〇unt) L王要元件名 g虎說明】 100 ~ "* ----- 投影機 232a, 232b 支架 102 習知燈蓋 234 中空扣環 104 頂蓋 235a, 235b 凸肋 105 凸軌 236, 236a, 樞軸 — 236b 106 •——. 窗口部 237a 第一凸點 107 卡勾 ------ 237b 第二凸點 108,109 螺孔 — 238 執道結構 200 投影機 238a, 238b 内側壁面 200a 倒吊式投影機 239 凹溝 202 殼體 240 側壁 210 蓋板 242 裂口 212 — 主蓋體 402 凸塊 212a —'~~. 邊緣 404 止擔塊 214 ----- 副蓋體 — 406 開孔 214a 側邊 406a, 406b 孔壁 ------ 406c 200909983 215 凸軌 502 定位件 216 窗口部 504 定位孔 218 卡合部 506 裝飾條 218a 槽狀結構 508 凸塊 219 卡勾 510 缺口 219a L型彎折部 602 凹部 222 燈泡 702 天花板 230 框紐結構 704 固定件 232 承座 14The board is turned and turned. Further advantages and advantages of the technical features disclosed in the present invention can be obtained from the present invention to the above-mentioned or some or all of the two embodiments of the lion's machine. a hinge structure is connected to the main cover body; and a ΐ 部 part and a connection hub structure, the sub-cover 髀 山 山 七 & amp 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久 久(2) Cover i; the second cover body is displaced by the body so that the hook is selectively engaged with the engaging portion. The embodiment of the present invention provides -i::ri:f#: 卞口邛 and a south mouth portion, and the window portion is disposed at the octa-有-结构 structure to connect the main cover; and the poem piece, position The structure of the sub-cover is pivotally covered by the side structure of the hinge structure, the sub-cover body and the main structure and the light-emitting element, the sub-cover body is connected by the hinge knot 2 and The main reading displacement is such that the hook is selectively coupled to the engaging portion. The preferred embodiment is as follows. The pivot structure comprises a socket and a hollow main cover body and a sub-lid body. The socket has a pivot shaft, and the pole shaft system is convenient to be realized. The socket is fixed to one side of the window portion, and the hollow buckle is fixed to the side of the sub-cover. The main cover body is further provided with an opening, located at ^2: there is:: a bump 'for piercing the opening, wherein when the secondary cover is __ '' ρ straight to the main body, the convex system moves To touch one of the openings; ίί:=10 hole wall forms a stop block 'protruding into the opening, when i is ΐίί away to be approximately perpendicular to the main body, the activity of the bump is terminated擒""-hole wall limitation. The hook protrudes from the surface of the sub-cover body, and has a -L-bend 200909983 2 side ί ί ΐ 槽 槽 槽 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷 凹陷The impact force of the buffer hook and the engaging portion. The hollow buckle has a track structure, and the obstructing structure includes a first bump and a bump 'pivot for the displacement in the obstructing structure, and — The bump is positioned at: ί ' or by the second thief located at the second position. The obstruction structure has two opposite inner enders, the axis has two opposite first convex = right, two The bumps 'each-the first-bump are respectively protruded from different inner two flutes and the second bumps are respectively protruded from different inner side wall faces. "The distance between the bumps is smaller than the diameter of the crucible, and the distance between the two opposite-bumps is also smaller than the straightness of the pivot. The frame is drawn, and the sub-cover has a positioning member protruding from one side thereof. a main clamping hole for the positioning member to be inserted in the direction of the parallel main cover and the surface. The main cover includes a skirting strip corresponding to the side of the secondary cover, wherein the two ends of the decorative strip each have two bumps' Each of the two ends of the side cover has a notch. When the positioning member is inserted into the positioning hole, the protrusion is simultaneously inserted into the notch. One edge of the main cover has a concave portion, and the concave portion and the socket are respectively disposed on the window portion. [Embodiment] The above-mentioned and other technical contents, features and effects of the present invention will be clearly described in the following detailed description of a preferred embodiment with reference to the drawings. The directional terms mentioned in the example, such as: up, down, left, right, moon, or after, are only referring to the direction of the additional schema. Therefore, the twist is to use the _ to close this one. 2A+ shows a projector 2〇〇, which has a preferred implementation of the present invention The cover 2 includes a housing 2〇2, and a projection mechanism (not shown) is accommodated therein. The projection mechanism includes a light-emitting component, such as a light bulb 222 or a light-emitting diode. And a light machine (not shown), etc. The cover plate 210 is assembled on the housing 202 to cover the projection mechanism. As shown, the cover plate 21 includes a main cover 200909983 cover 212 and a cover 214. (also referred to as a lamp cover) and mounted on the housing 202 by the main cover 2i2. The main cover 212 and the secondary cover 214 are connected by a hinge structure 230. As shown in Fig. 2A, the hub The structure 230 includes a socket 232 disposed on the main cover 212 and a hollow buckle 234 disposed on the sub-cover 214. The hollow buckle 234 is movably fastened to the socket 232 such that the hollow buckle 234 It is rotatable relative to the socket 232 while a portion of the socket 232 can be displaced within the hollow collar 234 relative to the hollow buckle 234. Therefore, the sub-cover 214 can be detached or closed on the main cover 212 as indicated by the arrow b2 al. A main cover 212 has a window portion 216 and a hinge portion 218. When the main cover 212 is assembled with the housing 202, the window portion 216 is positioned above the bulb 222 to expose the bulb 222. When the sub-cover 214 is closed on the main cover 212, I covers the window portion 216 and the bulb 222 therebelow. In order to prevent the light from being opened when the closure is closed, the sub-cover 214 has a hook 219 disposed on the corresponding engaging portion 218 so as to be engaged with the engaging portion 218. When the bulb 222 fails or needs to be adjusted, the user can easily open the sub-cover 214 without using a screwdriver or the like, thereby achieving the purpose of repairing the projector 2, and for this purpose, the window portion The size of the 216 should be sufficient for the user to remove the bulb 222. 2A and 2B show an operation of the sub-cover 214 being opened or covered. When the user wants to open the sub-cover 214, the sub-cover 214 is first paralleled in the direction of FIG. 2b and displaced relative to the main cover 212, and horizontally pulled apart, and then opened in the direction of the drawing. Conversely, 'when the user wants to cover the secondary cover 214°, the direction of the second cover is closed, and then the 2^8 body is displaced along the direction of Figure 2Bia2, and the horizontally closed 'the hook 219 is selectively connected with the card. "Zhong 3 2 f Figure 3B' bearing 232 has - the pivot is moved, and the hollow portion of the 1 H H 234 forms a track structure 238. Among them, the empty "234 buckle & in the socket 232, the pivot MS is Through the current structure, 200909983 shifts the displacement, and the hollow buckle 234 can be pivoted into the center of rotation. The structure 238 of the hollow buckle 234 has two opposite and approximately = simple a and 238b, - the first - The convex point coffee and the ―==8b mother Γ are respectively applied to different inner side walls or 238b 2= several also protruded on different inner side wall surfaces (4) H-axis objects in the obstructing structure 238 t, which will be The bump 237a is positioned at the A position, or is moved up or down by the movement of the secondary body disk 212 fixed to the housing 202 by the movement of the cover member 214. The socket 232 is illustrated in Figures 3A and 3B during the process of opening or closing the secondary cover 214. The hook 219 and the card ‘别 Ξΐ ί 凊 refer to FIG. 3C. Please refer to FIG. 2A and FIG. 3A at the same time, when the body 214 is in the open state, the hollow buckle 234 is slightly upright. When the hollow body 234 is opened, when the hollow buckle 234 is opened, the phase of the pivot 236 and the hollow buckle 23: reference + 3C is the cross section of the engaging portion 218 and the hook. Figure. Card. It is from the surface of the sub-disk body 214 and has an l-shaped bent portion a. The card & portion 218 has a groove-like structure 218a recessed on the surface of the main cover 212 200909983, and the groove-like structure 218a is formed by the oblique portion in the figure. One of the side walls 240 of the trough-like structure 218a has a slit 242 located at the junction of the side wall 240 and the bottom of the trough-like structure 218a. When the sub-cover 214 is rotated to cover the temple, the hook 219 is inserted into the groove of the engaging portion 218. Then, when the sub-cover 214 is pushed in the a2 direction to be in close contact with the main cover 212, 3丄219 The L-shaped bent portion 219a can be pushed into the split 242 to complete. Referring to FIG. 4A, the socket 232 has two left and right brackets 232a and 232b, and the inner sides of the brackets 232a and 232b respectively protrude from a pivot 236a or 236b. A gap (not shown) is reserved between the pivots 236a and 236b for the hollow buckle 234 to be buckled: please refer to the 3B at the same time, and one end of the hollow buckle 234 has a groove. Referring again to FIG. 4A 'When the hollow buckle When the ring 234 is buckled up and down between the two implant shafts and the =, a groove (not shown) is located on both sides of the bottom of the hollow buckle 234 to face the two pivots 236a and 236b respectively. During the fastening process, the pivot The shafts 236a and 236b are more conveniently introduced into the hollow retaining ring 234 t through the groove 239. The pivot 2 is applied or has a plurality of ribs 2 on the surface, and 2 is said. When the 姊 2 or 2 is applied to the hollow buckle When the ring 234 is used, the ribs 2 and the two ribs are slightly pressed against the middle to prevent the middle cymbal ring 234 from swaying left and right, and have the effect of increasing the structure. Further, as shown in FIG. 4A, the groove shape The bottom of the structure 218a has a convex 215 to cushion the impact force when the hook is combined with the engaging portion. The cover ϋ has an over-proof structure, and the upper view and the lower view are referred to the figure and FIG. 4C. The opening 406 is disposed on the main cover body 212, and is located at the side of the socket 232 for a projection 4〇2 to penetrate. The protrusion 4〇2 is disposed on the sub-cover body and is L-shaped. The cover body 214 is separated from the hole wall 401 which is slightly perpendicular to the main cover body 212 and touches the opening 406. At this time, if a force is applied in the direction of FIG. 2A^b2, the hole wall is ^ The bump 402 is subjected to a reaction force to prevent the sub-cover body 214 from being turned over. FIG. 4B and FIG. 4C simultaneously show that the cover plate 21 has a stop structure to prevent the 200909983 sub-cover 214 from being opened and then closed. The hole walls 4 on both sides of the opening 406 and the four holes have a stop block 404, which protrudes into the opening 4〇6. After the body 214 is opened, if there is a cover back The tendency will cause the bump to move in the direction of the dead 4〇4. At this time, the stop block 4〇4 can timely cover the bump 4'2 of the bump 4M. The activity space is limited to the stop 404 is between the hole wall 406a of the opening 406. Referring to FIG. 5A and FIG. 5B, the sub-cover body 214 has a positioning member 5〇2 protruding from the side thereof 214a' The main cover body 212 has a positioning hole 5 () 4. Inserting the direction of the surface of the main cover body 212 of the positioning member. In this way, vibration of the upper and lower sides and the left and right directions can be prevented after the auxiliary body 214 is smashed. Refer to ® 5B and 5C, - decorative strip 506 On the main cover 212, the seam where the main if212 and the sub-cover 214 are closed is repaired. In particular, the decorative strip 506 has a bump 5 〇 8 ′ and the side 21 of the secondary cover 214 has a notch 51 〇. When the positioning member 502 is inserted into the positioning hole 504 , the bump is inserted into the notch 510 when (5). To prevent the decorative strip 5〇6 from lifting. Referring to Fig. 6, a partial view of the rear cover 214 is shown, and a lower view of the rear cover 21 is shown. Referring to FIG. 2A at the same time, one edge 212a of the main cover 212 may be a recess 602. The recess 602 and the socket 232 are respectively disposed on opposite sides of the window portion 216. When the sub-cover 214 is capped, the recess 602 of the main cover 212 can be raised by the user's finger to grasp the edge of the sub-cover 214 and force it to be pulled apart. j less,,,,,, Figure 7 ’ shows an inverted projector (c_m〇unt) 2〇〇a hanging on a board ^^. The projector 2A has a fixing member 704 disposed on the surface of the housing cover 212 for allowing the goggle projector 200a to the ceiling to better highlight the cover 210 for easy switching and easy maintenance of the projector. The advantages. 々 々 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者 者The invention achieves the full disclosure of the invention or the scope of the patent application is not required to assist the patent document. [Simple description of the drawing] FIG. 1 is a schematic view of a projector having a conventional lamp cover design; ^ and = 2 hook part of the diagram, showing the schematic of the cover of the conventional board, showing the polar axis structure of the pivot embodiment, == time =: =: card one means cover 2 = part of the structure diagram 'Showing and broadcasting the county _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Figure 6 is a partial schematic view of a cover plate according to the present invention, showing a lower view of a portion of the structure of the cover plate after the lid cover is placed on the cover of the present invention; ^ is an inverted projector (C_m〇unt) according to an embodiment of the present invention. 100 ~ "* ----- Projector 232a, 232b Bracket 102 Conventional lamp cover 234 Hollow buckle 104 Top cover 235a, 235b Rib 105 Bullet 236, 236a, Pivot - 236b 106 • -. Window Portion 237a first bump 107 hook ------ 237b second bump 108, 109 screw hole - 238 obstruction structure 200 projector 238a, 238b inner wall surface 200a upside down projector 239 groove 202 housing 240 side wall 210 Cover 242 Crack 212 — Main cover 402 Bump 212a — '~~. Edge 404 Stop block 214 ----- Sub cover 406 Opening 214a Side 406a, 406b Hole wall ----- - 406c 200909983 215 convex rail 502 positioning member 216 window portion 504 positioning hole 218 engaging portion 506 decorative strip 218a groove structure 508 bump 219 hook 510 notch 219a L-shaped bent portion 602 concave portion 222 bulb 702 ceiling 230 frame structure 704 fixing parts 232 socket 14